320140102 has 4 divisors (see below), whose sum is σ = 480210156. Its totient is φ = 160070050.

The previous prime is 320140099. The next prime is 320140109. The reversal of 320140102 is 201041023.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320140109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80035024 + ... + 80035027.

It is an arithmetic number, because the mean of its divisors is an integer number (120052539).

Almost surely, 2^320140102 is an apocalyptic number.

320140102 is a deficient number, since it is larger than the sum of its proper divisors (160070054).

320140102 is a wasteful number, since it uses less digits than its factorization.

320140102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160070053.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 320140102 is about 17892.4593614182. The cubic root of 320140102 is about 684.0901853772.

Adding to 320140102 its reverse (201041023), we get a palindrome (521181125).

The spelling of 320140102 in words is "three hundred twenty million, one hundred forty thousand, one hundred two".